15985593

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 29272320

約数和(自身を除く): 13286727

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 47, 51, 57, 81, 117, 141, 153, 171, 221, 247, 323, 351, 423, 459, 513, 611, 663, 741, 799, 893, 969, 1053, 1269, 1377, 1539, 1833, 1989, 2223, 2397, 2679, 2907, 3807, 4199, 5499, 5967, 6669, 7191, 8037, 8721, 10387, 11609, 12597, 15181, 16497, 17901, 20007, 21573, 24111, 26163, 31161, 34827, 37791, 45543, 49491, 64719, 72333, 93483, 104481, 113373, 136629, 197353, 280449, 313443, 340119, 409887, 592059, 841347, 940329, 1229661, 1776177, 5328531, 15985593]

約数ペア:

[(1, 15985593), (3, 5328531), (9, 1776177), (13, 1229661), (17, 940329), (19, 841347), (27, 592059), (39, 409887), (47, 340119), (51, 313443), (57, 280449), (81, 197353), (117, 136629), (141, 113373), (153, 104481), (171, 93483), (221, 72333), (247, 64719), (323, 49491), (351, 45543), (423, 37791), (459, 34827), (513, 31161), (611, 26163), (663, 24111), (741, 21573), (799, 20007), (893, 17901), (969, 16497), (1053, 15181), (1269, 12597), (1377, 11609), (1539, 10387), (1833, 8721), (1989, 8037), (2223, 7191), (2397, 6669), (2679, 5967), (2907, 5499), (3807, 4199)]